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<?php |
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namespace phpbu\App\Backup\Collector; |
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use phpbu\App\Backup\Collector; |
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use phpbu\App\Backup\Path; |
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use phpbu\App\Backup\Target; |
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use phpbu\App\Util; |
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/** |
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* Sftp class. |
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* |
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* @package phpbu |
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* @subpackage Backup |
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* @author Sebastian Feldmann <[email protected]> |
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* @author Vitaly Baev <[email protected]> |
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* @copyright Sebastian Feldmann <[email protected]> |
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* @license https://opensource.org/licenses/MIT The MIT License (MIT) |
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* @link http://phpbu.de/ |
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* @since Class available since Release 5.1.0 |
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*/ |
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class Sftp extends Remote implements Collector |
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{ |
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/** |
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* @var \phpseclib\Net\SFTP |
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*/ |
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protected $sftp; |
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/** |
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* OpenStack constructor. |
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* |
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* @param \phpbu\App\Backup\Target $target |
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* @param \phpbu\App\Backup\Path $path |
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* @param \phpseclib\Net\SFTP $sftp |
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*/ |
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public function __construct(Target $target, Path $path, \phpseclib\Net\SFTP $sftp) |
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{ |
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$this->setUp($target, $path); |
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$this->sftp = $sftp; |
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} |
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/** |
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* Get all created backups. |
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* |
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* @return \phpbu\App\Backup\File[] |
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*/ |
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protected function collectBackups(): array |
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{ |
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$this->collect($this->path->getPathThatIsNotChanging()); |
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return $this->files; |
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} |
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/** |
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* Collect all remote files in all matching directories. |
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* |
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* @param string $path |
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*/ |
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private function collect(string $path) |
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{ |
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// collect all matching sub directories and get all the backup files |
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$depth = Util\Path::getPathDepth($path); |
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$list = $this->sftp->_list($path); |
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if (!$list) { |
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return; |
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} |
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if ($depth < $this->path->getPathDepth()) { |
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foreach ($list as $file) { |
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if (in_array($file['filename'], ['.', '..'])) { |
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continue; |
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} |
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if ($this->isValidDirectory($file, $depth)) { |
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$this->collect($path . '/' . $file['filename']); |
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} |
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} |
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} else { |
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$this->collectFiles($list, $path); |
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} |
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} |
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/** |
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* Collect matching files in a directory. |
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* |
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* @param array $fileList |
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* @param string $path |
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*/ |
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private function collectFiles(array $fileList, string $path) |
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{ |
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foreach ($fileList as $file) { |
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if (in_array($file['filename'], ['.', '..'])) { |
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continue; |
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} |
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if ($this->isFileMatch($path . '/' . $file['filename'])) { |
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$file = new \phpbu\App\Backup\File\Sftp($this->sftp, $file, $path); |
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$index = $this->getFileIndex($file); |
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$this->files[$index] = $file; |
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} |
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} |
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} |
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/** |
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* Check if the iterated file is part of a valid target path. |
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* |
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* @param array $file |
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* @param int $depth |
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* @return bool |
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*/ |
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protected function isValidDirectory(array $file, int $depth) |
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{ |
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return $file['type'] == 2 && $this->isMatchingDirectory($file['filename'], $depth); |
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} |
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/** |
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* Does a directory match the respective target path. |
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* |
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* @param string $dir |
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* @param int $depth |
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* @return bool |
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*/ |
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protected function isMatchingDirectory(string $dir, int $depth) |
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{ |
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$dirTarget = $this->path->getPathElementAtIndex($depth); |
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$dirRegex = Util\Path::datePlaceholdersToRegex($dirTarget); |
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return preg_match('#' . $dirRegex . '#i', $dir); |
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} |
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} |
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In the issue above, the returned value is violating the contract defined by the mentioned interface.
Let's take a look at an example: